Monday, January25, 2021
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Marine Weather and Tides
North Sarasota, FL

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:17AMSunset 6:07PM Monday January 25, 2021 4:04 PM EST (21:04 UTC) Moonrise 3:18PMMoonset 4:42AM Illumination 94% Phase: Waxing Gibbous; Moon at 12 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 240 Pm Est Mon Jan 25 2021
.areas of dense sea fog possible starting tonight...
Tonight..South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Areas of sea fog after midnight.
Tuesday..South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Areas of sea fog early in the morning, then patchy sea fog in the late morning and afternoon.
Tuesday night..South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Patchy sea fog.
Wednesday..Southwest winds around 15 knots. Seas 2 feet. Bay and inland waters a moderate chop. Patchy sea fog in the morning. Scattered showers in the afternoon.
Wednesday night..West winds 10 to 15 knots then becoming northwest around 20 knots late in the evening, then becoming north after midnight. Seas 3 to 5 feet. Bay and inland waters choppy. A chance of Thunderstorms in the evening.
Thursday..North winds around 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy.
Thursday night..Northeast winds around 15 knots. Seas 3 to 5 feet. Bay and inland waters a moderate chop.
Friday..Northeast winds around 15 knots then becoming north 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Friday night..Northeast winds around 10 knots then becoming east after midnight. Seas 2 feet. Bay and inland waters a light chop.
Saturday..Southeast winds around 10 knots then becoming south late in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 240 Pm Est Mon Jan 25 2021
Synopsis..Southerly winds veer to more southwesterly this evening, helping to bring additional warm, moist air over the cooler gulf waters. This is highly favorable for the formation of sea fog overnight. Once it forms, we'll likely have at least some patches sticking around until the next front arrives on Wednesday. Fog may cause visibilities to drop below 1/2 mile. A cold front arrives Wednesday, bringing a chance for showers and some Thunderstorms over coastal waters, and finally clearing out any fog that develops. Winds then take on a northerly component and increase, bringing seas up to cautionary/advisory criteria as well. Conditions for boating begin to improve this weekend as high pressure regains control with lighter winds shifting E then se by Sunday.


7 Day Forecast for Marine Location Near North Sarasota, FL
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location: 27.36, -82.54     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 251929 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 229 PM EST Mon Jan 25 2021

SHORT TERM. Some amplification of the upper-level pattern is beginning to take shape as the ridge that has been helping to reinforce surface high pressure continues to slide to the east. Now that the surface axis is situated off the eastern coast of Florida, winds have shifted southerly and will continue to veer to the southwest by later today and tonight. This south to southwesterly flow is helping to advect additional warm and moist air across the area, making for a highly favorable setup for fog.

This evening, skies should clear of cumuliform clouds. Coupled with light winds, this allows the ground efficiently radiate the heat away, cooling the surface. With the added moisture from the southerly flow, conditions look pretty favorable for land fog and/or low clouds to develop once again tonight, and will likely be more area-wide and dense in spots. Diurnal effects from daytime heating and increasing wind speeds should help destabilize the boundary layer and mix this out after the sun rises.

The impacts from fog are not expected to stop with the land though. Sea fog is also likely to form. This occurs because warmer air moves over the relatively cooler Gulf Waters. Along the shelf, where the waters are typically the coolest, we are most likely to see fog form. However, water temperatures are cool enough everywhere to see at least patchy dense fog. The dissipation of sea fog is much more tricky. Some spots will clear mid-to-late morning, but patchy sea fog will likely stick around until the next front arrives on Wednesday.

LONG TERM. A trough axis will propagate eastward out of the Rockies on Tuesday, dragging an attendant cold front with it across the SE. This front should arrive in our area on Wednesday. Enough instability should exist along and ahead of the front to have some showers and possibly even a few thunderstorms across our area. However, much of the energy will not make it this far south, and ultimately will only get further away from the front as it makes the southward push. This means that whatever showers and thunderstorms we do have will likely fall apart the farther south it goes. Southwest Florida has a meager 10-20% chance of seeing any precip with this front because of this expectation.

However, the front will bring a change to our weather that will last into the weekend. The unseasonably warm and more humid weather will go away at least for a few days. In its place, cooler, drier, and breezier conditions will return. High temperatures are only expected to climb into the upper 60s to around 70 on Thursday, and only into the mid 70s for Friday. The gradual warmup will begin on Saturday as the northerly component of the wind begins to fade and is replaced by easterly, then southeasterly flow this weekend. Overall, though, conditions look pretty nice for the weekend. Whether our current weather is nice or awful, change is once again on the way later this week.

AVIATION. VFR conditions prevail through the rest of the day with southerly winds becoming more southwesterly this evening. Conditions are highly favorable for fog/low cloud formation overnight, thanks to ample moisture and efficient cooling at the surface. This should begin to dissipate by late morning, but sea fog may remain an issue for northern coastal TAF sites during the day. There is uncertainty at this time as to how much these elements could effect airports..

MARINE. Southerly winds veer to more southwesterly this evening, helping to bring additional warm, moist air over the cooler Gulf Waters. This is highly favorable for the formation of sea fog overnight. Once it forms, we'll likely have at least some patches sticking around until the next front arrives on Wednesday. This front will bring a chance for showers and some thunderstorms over coastal waters, and should finally clear out any fog that develops. Winds then take on a northerly component and increase, bringing seas up to cautionary/advisory criteria Thursday. Conditions for boating begin to improve this weekend as high pressure regains control with lighter winds shifting E then SE by Sunday.

FIRE WEATHER. Decent dispersions this afternoon begin to fade overnight with conditions becoming very stable. Fog is likely to develop across the interior and may be dense in some spots. By mid-morning, fog should begin to dissipate as daytime heating promotes additional instability. Another front arrives on Wednesday, bringing showers and some thunderstorms back into the forecast. Behind the front, winds increase and RH values drop, but are not expected to meet critical thresholds at this time. As winds begin to shift out of the east with high pressure regaining control, moisture will begin to return and winds will settle once more.

Preliminary Point Temps/PoPs. TPA 79 65 78 65 / 0 0 0 0 FMY 81 64 82 65 / 0 0 0 0 GIF 81 63 82 64 / 0 0 0 0 SRQ 79 65 78 64 / 0 0 0 0 BKV 81 60 80 61 / 0 0 0 0 SPG 75 65 75 65 / 0 0 0 0

TBW WATCHES/WARNINGS/ADVISORIES. FL . None. Gulf waters . None.

Flannery


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PMAF1 19 mi47 min 74°F 68°F1015.5 hPa
VENF1 - Venice, FL 20 mi65 min SSE 8.9 G 9.9 69°F 65°F1015.8 hPa (-1.8)68°F
MTBF1 21 mi47 min SW 11 G 12 70°F 1015.3 hPa64°F
42013 - C10 - Navy-2 24 mi95 min SSE 9.7 G 12 68°F 67°F
42098 26 mi39 min 65°F1 ft
CLBF1 27 mi71 min S 8 G 13 74°F 1015 hPa
SAPF1 - 8726520 - St. Petersburg, FL 28 mi47 min SSW 13 G 16 73°F 67°F1015.7 hPa
GCTF1 29 mi47 min 69°F 65°F
OPTF1 - 8726607 - Old Port Tampa, FL 34 mi47 min SSW 14 G 17 70°F 67°F1015.6 hPa
EBEF1 39 mi53 min 74°F 62°F1015 hPa
SKCF1 39 mi53 min SW 14 G 25
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 40 mi47 min SSW 6 G 11
TSHF1 - 8726667 - East Bay Causeway, FL 40 mi59 min S 9.9 G 13
CWBF1 - 8726724 - Clearwater Beach, FL 45 mi47 min S 14 G 16 68°F 67°F1015.6 hPa

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL3 mi72 minS 1410.00 miFair77°F66°F69%1015.1 hPa
Venice Municipal Airport, FL21 mi70 minS 11 G 188.00 miFair73°F68°F83%1016.3 hPa

Link to 5 minute data for KSRQ

Wind History from SRQ (wind in knots)
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Last 24hrW5W6W6NW5CalmNW3N3CalmSE5N3N4NE3E4SE3E4SE3SE6E4SE4SE4SW7S14S14S14
1 day ago5W6W5W4CalmCalmN3E3E5E7E9NE4E3E3N5NE4NE5NE5E5E6E73W9W7
2 days agoSW7SW6S4S6S6S3S6S7S5S6S6S4SW5SW5SW7SW4SW4SW4SW5SW8SW9SW9SW8SW8

Tide / Current Tables for Sarasota, Sarasota Bay, Florida
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Sarasota
Click for Map
Mon -- 04:42 AM EST     Moonset
Mon -- 05:24 AM EST     -0.44 feet Low Tide
Mon -- 07:18 AM EST     Sunrise
Mon -- 03:18 PM EST     Moonrise
Mon -- 06:06 PM EST     Sunset
Mon -- 09:31 PM EST     1.96 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.20.80.40.1-0.3-0.4-0.4-0.20.10.40.60.80.911.11.11.21.21.41.61.81.91.91.8

Tide / Current Tables for Tampa Bay (Sunshine Skyway Bridge), Florida Current
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Tampa Bay (Sunshine Skyway Bridge)
Click for Map
Mon -- 03:06 AM EST     -1.41 knots Max Ebb
Mon -- 04:43 AM EST     Moonset
Mon -- 07:16 AM EST     0.00 knots Slack
Mon -- 07:19 AM EST     Sunrise
Mon -- 10:39 AM EST     1.46 knots Max Flood
Mon -- 03:17 PM EST     Moonrise
Mon -- 03:59 PM EST     0.09 knots Min Flood
Mon -- 06:06 PM EST     Sunset
Mon -- 08:41 PM EST     0.89 knots Max Flood
Mon -- 11:28 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.7-1.1-1.3-1.4-1.3-1.1-0.7-0.20.511.41.41.20.80.40.20.10.20.40.60.80.90.70.3

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station



Gulf Stream Current



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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.